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Undergrad Gaussian vs SI Units: Comparison & Advantages

  • Sunfire
  • · Replies 2 ·
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2

Undergrad Is polar attraction stronger than the repulsion of electrons?

  • jaydnul
  • · Replies 3 ·
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3

High School Electromagnetic Generator Coil Number Help

  • tachyon_man
  • · Replies 3 ·
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3

Undergrad Impedance vs Resistance: Understanding the Distinction in Circuit Elements

  • digipony
  • · Replies 5 ·
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5

Undergrad Equation for Induction of Electric Current in Magnetic Field

  • pbhuter
  • · Replies 8 ·
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8

High School Is Guitar Shielding Just a Myth?

  • alsamuef
  • · Replies 13 ·
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13

High School Does a straight wire or Electron have a north and south magnetic pole?

  • nemesiswes
  • · Replies 3 ·
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3

Graduate Integration of a vector with respect to a vector.

  • Ceeerson
  • · Replies 2 ·
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2

Undergrad Uniform Electric Fields: Understanding Coulomb's Law and Field Intensity

  • datsqnp
  • · Replies 2 ·
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2

High School Is Levitation Possible with Spin Top Magnets?

  • baker27marine
  • · Replies 1 ·
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1

Graduate Magnetism due to electron spin

  • boletoms
  • · Replies 6 ·
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6

Undergrad Difference between electricity and electromagnetic waves

  • h3x3n
  • · Replies 19 ·
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19

High School Question about right hand rule (magnetism)

  • gokuls
  • · Replies 3 ·
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3

Undergrad Temperature & Electromagnetic Radiation: Feynman's Perspective

  • jaydnul
  • · Replies 1 ·
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1

Graduate How to Rigorously Derive P(t) = V(t)I(t) in an Electric Circuit?

  • a4b3c2d1e0f
  • · Replies 1 ·
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1

Undergrad Transformer Dilemma: Solve the Mystery

  • dolle39
  • · Replies 2 ·
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2

Graduate Measuring the permeability of metallic objects

  • daudaudaudau
  • · Replies 2 ·
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2

Undergrad Tension in a Guitar String and Frequency

  • PhysicsAmateur
  • · Replies 15 ·
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15

Graduate Electric Field vs Electromagnetic Field

  • Islam Hassan
  • · Replies 4 ·
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4

Undergrad Efficiency of electrical heat vs. mechanical heating

  • Low-Q
  • · Replies 5 ·
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5

Undergrad Is all electrical energy eventually lost as heat in solid state electronics?

  • infomike
  • · Replies 13 ·
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13

Graduate Why is knowing the total charge on the conductors enough?

  • alemsalem
  • · Replies 11 ·
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11

High School Smart magnets that connect either way?

  • Miranden
  • · Replies 9 ·
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9

Graduate Ampere Law in a hole Should give zero?

  • Neverthelessif
  • · Replies 1 ·
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1

High School The uses of piezoelectric disks

  • ninja.lion
  • · Replies 1 ·
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1

Undergrad Energy transfer in electromagnetic induction

  • entropy15
  • · Replies 78 ·
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78

Undergrad How is the geomagnetic prime meridian defined?

  • envanyatar
  • · Replies 1 ·
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1

Undergrad Role of ground in charging a parallel plate capacitor

  • Tanya Sharma
  • · Replies 4 ·
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4

Graduate Outward force on current loop (Ampere's Force Law)

  • zmorris
  • · Replies 21 ·
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21

Undergrad Why Are Primary Turns Fewer and Thicker in Step-Up Transformers?

  • Hardik Batra
  • · Replies 9 ·
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9

Undergrad Is the Faraday Cage invulnerable?

  • yoyopizza
  • · Replies 17 ·
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17

High School What Exactly is Alternating Current

  • noname2020x
  • · Replies 26 ·
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26

Undergrad How does current flow in the primary coil during transformer self induction?

  • Ezio3.1415
  • · Replies 7 ·
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7

Undergrad Solving Linear Circuit Problems to Using Complex Currents and Charges"

  • aaaa202
  • · Replies 3 ·
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3

Undergrad Creating static electricity from an electrical current

  • bgchfcrzyft
  • · Replies 9 ·
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9

Undergrad Design electromagnet in pipeline

  • suchianjanam
  • · Replies 1 ·
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1

Undergrad Relation b/w elctrical resistance and stress-strain

  • ank160
  • · Replies 2 ·
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2

Graduate Equivalence principle implies uniformly accelerated charge doesn't radiate?

  • johne1618
  • · Replies 33 ·
2
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Undergrad Calculating Magnetic Flux in 3D

  • OrenKatzen
  • · Replies 3 ·
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3

Graduate How to derivate Maxwell Boltzmann Distribution

  • Troller
  • · Replies 4 ·
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4

Undergrad Voltage on a positively charged object?

  • kjamha
  • · Replies 2 ·
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2

Undergrad Can a Charged Particle Lose its Charge While Moving at Different Speeds?

  • dev70
  • · Replies 11 ·
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11

Undergrad How can I negatively charge a piece of lead? (A Skeptic's question)

  • Holbridge
  • · Replies 6 ·
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6

Graduate Guess solution to fields by minimizing the action.

  • Spinnor
  • · Replies 2 ·
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2

Undergrad Friction and rolling resistance, and work done queries

  • sgstudent
  • · Replies 54 ·
2
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54

Undergrad Calculate electromagnetic force on iron object

  • Heissenberg
  • · Replies 2 ·
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2

Undergrad Electromagnetic levitation Relations

  • wubbzee
  • · Replies 4 ·
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4

Graduate Is Electromagnetism's Causality Consistent with Special Relativity?

  • VantagePoint72
  • · Replies 2 ·
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2

Undergrad Charge distribution over a solid conductor

  • CAF123
  • · Replies 2 ·
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2

Undergrad Accelerating electromagnetic system

  • DynastyV
  • · Replies 21 ·
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21

Undergrad Why does a charged capacitor provide current to a circuit?

  • pc2-brazil
  • · Replies 5 ·
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5

Undergrad Why is there a voltage when water freezes?

  • gokuls
  • · Replies 16 ·
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16

Graduate Condition of continuity of E field at a boundary

  • Gen1111
  • · Replies 6 ·
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6

Undergrad Magnetic field of iron core solenoid

  • foru0707
  • · Replies 1 ·
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1

Undergrad Magnetic Force Inverse Cubed Law?

  • Da Apprentice
  • · Replies 4 ·
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4

High School Effect on current, if a higher voltage is applied

  • Dalek1099
  • · Replies 6 ·
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6

Undergrad Why is a hydrogen atom lighter than a electron and a proton

  • Johnahh
  • · Replies 36 ·
2
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36

Undergrad Electrostatic forces between multiple particles

  • Phyzwizz
  • · Replies 2 ·
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2

Undergrad Can't have high voltage function generator. What about low voltage Tesla coil?

  • Strangeline
  • · Replies 11 ·
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11

Graduate Feynman's Nobel classical electrodynamics action

  • johne1618
  • · Replies 1 ·
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1

High School Mass of Electron: 9.10938291x10-31 kg

  • johann1301
  • · Replies 4 ·
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4

High School Is current reduced in a resistor?

  • infomike
  • · Replies 8 ·
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8

Graduate Expressing sol. of Poisson eqn. in terms of vol. and sur. integrals.

  • phys_student1
  • · Replies 9 ·
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9

High School Electrons in electromagnetic induction

  • scientifico
  • · Replies 1 ·
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1

Graduate Thide's treatment of magnetostatics

  • muppet
  • · Replies 8 ·
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8

High School Why is "r" Used for Distance in this Equation?

  • Kevin Willis
  • · Replies 11 ·
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11

Undergrad Why p type semiconductor is electrically neutral

  • Rishav sapahi
  • · Replies 11 ·
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11

Graduate E-Field from Rotating Charged Rod: Cerenkov?

  • cragar
  • · Replies 12 ·
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12

Undergrad Difference in energy between potential and light in photoelectric effect

  • Denver Dang
  • · Replies 3 ·
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3

High School Permanent Magnet vs. Electromagnet: What's the Difference?

  • Xidike
  • · Replies 122 ·
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122

Undergrad Effect of spinning magnets on gauss readings

  • quarke
  • · Replies 3 ·
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3

Undergrad Conceptual doubts about capacitors and dipole antennas

  • pc2-brazil
  • · Replies 2 ·
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2

Undergrad Magnetism in a current carrying wire

  • DiracPool
  • · Replies 6 ·
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6

Undergrad Earth magnetism and its application

  • Rishav sapahi
  • · Replies 3 ·
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3

High School Im curious about magnets Can they be a source of energy or not?

  • Extro
  • · Replies 17 ·
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17

High School How do electricity and superconductors work?

  • h1010134
  • · Replies 3 ·
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3

High School Current & Voltage: Understanding Resistance Limits

  • sneha_28
  • · Replies 2 ·
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2

Graduate Eric Giler: Wireless Electricity Demo

  • ResonantW
  • · Replies 7 ·
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7

Graduate Does Ohm's Law Fully Apply to High-Frequency PCB Signal Paths?

  • yungman
  • · Replies 7 ·
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7

Undergrad Types of Piezoelectric Crystals to Harvest Sound

  • ninja.lion
  • · Replies 2 ·
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2

Undergrad Electromagnetic motor using battery and magnet?

  • 2sin54
  • · Replies 3 ·
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3

Undergrad How are the gravitational and electric force comparable?

  • aftershock
  • · Replies 14 ·
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14

High School What is the force that hold the electrons?

  • iknownth
  • · Replies 5 ·
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5

Undergrad Smoothing of rectified voltage with capacitor

  • Andreasdreas
  • · Replies 19 ·
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19

Undergrad Discovery of electrons - How did Thomson know they were particles?

  • HJ Farnsworth
  • · Replies 16 ·
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16

Graduate Induced Electric Field: Near Magnetic Field?

  • dev70
  • · Replies 14 ·
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14

Undergrad Is Frequency Vibration in Electromagnetic Waves?

  • Googl
  • · Replies 7 ·
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7

Graduate Electric Force on a charged conductive body

  • juvan
  • · Replies 20 ·
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20

High School How do you convert Heat into stored Energy/Electricity?

  • nukeman
  • · Replies 16 ·
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16

Graduate Electromagnetism - Poynting vector

  • Kontilera
  • · Replies 1 ·
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1

High School Does an electron actually spin around its axis?

  • 2sin54
  • · Replies 3 ·
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3

Undergrad Induction, magnetism and conductivity‏

  • MarkoniF
  • · Replies 30 ·
2
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30

High School How friction is an electromagnetic force?

  • umair20
  • · Replies 1 ·
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1

Undergrad Understanding the Equation ε=ΔV/r: Parallel Plates vs. Point Charges

  • BlueCardBird
  • · Replies 3 ·
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3

Graduate Light from Distinct Electric and Magnetic Fields?

  • Islam Hassan
  • · Replies 17 ·
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17

Undergrad Cockcroft-walton generator, How to increase voltage?

  • nelectrode
  • · Replies 1 ·
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1

High School Why would our hands lose electrons easily?

  • iknownth
  • · Replies 2 ·
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2

Graduate How can low energy light be detected if it's too weak to knock out an electron?

  • Jarfi
  • · Replies 5 ·
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5

Graduate Faster than light electron spin

  • DiracPool
  • · Replies 4 ·
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4

Graduate Why does valence electrons not produce electric field in the space?

  • ankities
  • · Replies 13 ·
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13